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llvm-6502/test/Instrumentation/DataFlowSanitizer/store.ll
Peter Collingbourne f1499548d0 [dfsan] Correctly handle loads and stores of zero size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214561 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-01 21:18:18 +00:00

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5.8 KiB
LLVM
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; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-store=1 -S | FileCheck %s --check-prefix=COMBINE_PTR_LABEL
; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-store=0 -S | FileCheck %s --check-prefix=NO_COMBINE_PTR_LABEL
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
define void @store0({} %v, {}* %p) {
; COMBINE_PTR_LABEL: @"dfs$store0"
; COMBINE_PTR_LABEL: store
; COMBINE_PTR_LABEL-NOT: store
; NO_COMBINE_PTR_LABEL: @"dfs$store0"
; NO_COMBINE_PTR_LABEL: store
; NO_COMBINE_PTR_LABEL-NOT: store
store {} %v, {}* %p
ret void
}
define void @store8(i8 %v, i8* %p) {
; NO_COMBINE_PTR_LABEL: @"dfs$store8"
; NO_COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
; NO_COMBINE_PTR_LABEL: ptrtoint i8* {{.*}} i64
; NO_COMBINE_PTR_LABEL: and i64
; NO_COMBINE_PTR_LABEL: mul i64
; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
; NO_COMBINE_PTR_LABEL: getelementptr i16*
; NO_COMBINE_PTR_LABEL: store i16
; NO_COMBINE_PTR_LABEL: store i8
; COMBINE_PTR_LABEL: @"dfs$store8"
; COMBINE_PTR_LABEL: load i16*
; COMBINE_PTR_LABEL: load i16*
; COMBINE_PTR_LABEL: icmp ne i16
; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
; COMBINE_PTR_LABEL: ptrtoint i8* {{.*}} i64
; COMBINE_PTR_LABEL: and i64
; COMBINE_PTR_LABEL: mul i64
; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
; COMBINE_PTR_LABEL: getelementptr i16*
; COMBINE_PTR_LABEL: store i16
; COMBINE_PTR_LABEL: store i8
store i8 %v, i8* %p
ret void
}
define void @store16(i16 %v, i16* %p) {
; NO_COMBINE_PTR_LABEL: @"dfs$store16"
; NO_COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
; NO_COMBINE_PTR_LABEL: ptrtoint i16* {{.*}} i64
; NO_COMBINE_PTR_LABEL: and i64
; NO_COMBINE_PTR_LABEL: mul i64
; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
; NO_COMBINE_PTR_LABEL: getelementptr i16*
; NO_COMBINE_PTR_LABEL: store i16
; NO_COMBINE_PTR_LABEL: getelementptr i16*
; NO_COMBINE_PTR_LABEL: store i16
; NO_COMBINE_PTR_LABEL: store i16
; COMBINE_PTR_LABEL: @"dfs$store16"
; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
; COMBINE_PTR_LABEL: icmp ne i16
; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
; COMBINE_PTR_LABEL: ptrtoint i16* {{.*}} i64
; COMBINE_PTR_LABEL: and i64
; COMBINE_PTR_LABEL: mul i64
; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
; COMBINE_PTR_LABEL: getelementptr i16*
; COMBINE_PTR_LABEL: store i16
; COMBINE_PTR_LABEL: getelementptr i16*
; COMBINE_PTR_LABEL: store i16
; COMBINE_PTR_LABEL: store i16
store i16 %v, i16* %p
ret void
}
define void @store32(i32 %v, i32* %p) {
; NO_COMBINE_PTR_LABEL: @"dfs$store32"
; NO_COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
; NO_COMBINE_PTR_LABEL: ptrtoint i32* {{.*}} i64
; NO_COMBINE_PTR_LABEL: and i64
; NO_COMBINE_PTR_LABEL: mul i64
; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
; NO_COMBINE_PTR_LABEL: getelementptr i16*
; NO_COMBINE_PTR_LABEL: store i16
; NO_COMBINE_PTR_LABEL: getelementptr i16*
; NO_COMBINE_PTR_LABEL: store i16
; NO_COMBINE_PTR_LABEL: getelementptr i16*
; NO_COMBINE_PTR_LABEL: store i16
; NO_COMBINE_PTR_LABEL: getelementptr i16*
; NO_COMBINE_PTR_LABEL: store i16
; NO_COMBINE_PTR_LABEL: store i32
; COMBINE_PTR_LABEL: @"dfs$store32"
; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
; COMBINE_PTR_LABEL: icmp ne i16
; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
; COMBINE_PTR_LABEL: ptrtoint i32* {{.*}} i64
; COMBINE_PTR_LABEL: and i64
; COMBINE_PTR_LABEL: mul i64
; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
; COMBINE_PTR_LABEL: getelementptr i16*
; COMBINE_PTR_LABEL: store i16
; COMBINE_PTR_LABEL: getelementptr i16*
; COMBINE_PTR_LABEL: store i16
; COMBINE_PTR_LABEL: getelementptr i16*
; COMBINE_PTR_LABEL: store i16
; COMBINE_PTR_LABEL: getelementptr i16*
; COMBINE_PTR_LABEL: store i16
; COMBINE_PTR_LABEL: store i32
store i32 %v, i32* %p
ret void
}
define void @store64(i64 %v, i64* %p) {
; NO_COMBINE_PTR_LABEL: @"dfs$store64"
; NO_COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
; NO_COMBINE_PTR_LABEL: ptrtoint i64* {{.*}} i64
; NO_COMBINE_PTR_LABEL: and i64
; NO_COMBINE_PTR_LABEL: mul i64
; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
; NO_COMBINE_PTR_LABEL: insertelement {{.*}} i16
; NO_COMBINE_PTR_LABEL: bitcast i16* {{.*}} <8 x i16>*
; NO_COMBINE_PTR_LABEL: store i64
; COMBINE_PTR_LABEL: @"dfs$store64"
; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
; COMBINE_PTR_LABEL: load i16* {{.*}} @__dfsan_arg_tls
; COMBINE_PTR_LABEL: icmp ne i16
; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
; COMBINE_PTR_LABEL: ptrtoint i64* {{.*}} i64
; COMBINE_PTR_LABEL: and i64
; COMBINE_PTR_LABEL: mul i64
; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
; COMBINE_PTR_LABEL: insertelement {{.*}} i16
; COMBINE_PTR_LABEL: insertelement {{.*}} i16
; COMBINE_PTR_LABEL: insertelement {{.*}} i16
; COMBINE_PTR_LABEL: insertelement {{.*}} i16
; COMBINE_PTR_LABEL: insertelement {{.*}} i16
; COMBINE_PTR_LABEL: insertelement {{.*}} i16
; COMBINE_PTR_LABEL: insertelement {{.*}} i16
; COMBINE_PTR_LABEL: insertelement {{.*}} i16
; COMBINE_PTR_LABEL: bitcast i16* {{.*}} <8 x i16>*
; COMBINE_PTR_LABEL: store <8 x i16>
; COMBINE_PTR_LABEL: store i64
store i64 %v, i64* %p
ret void
}
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